<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    float: left
    width: 25%
    padding-bottom: 25%
    height: 0
    text-align: center
    .icon-img
        position: absolute
        top: 0
        right: 0
        left: 0
        bottom: .44rem
        padding: .1rem
        box-sizing: border-box
        .icon-img-content
          height: 100%
    .icon-desc
      height: .44rem
      color: $textDarkColor
      line-height: .44rem
      position: absolute
      bottom: 0
      left: 0
      right: 0
      ellipsis()
</style>
